gui

--Int--

local w,h = term.getSize()
local running = true
local ms = 1
local select = 1
local os = {
      [1] = {"Epic win","Rainbow","Herp","Derp","Quit"}
}

--Functions--

function clear()
  term.clear()
  term.setCursorPos(1,1)
end

function center(str,ypos)
  term.setCursorPos(w/2-#str/2,ypos)
  write(str)
end

function draw()
  for i=1,#os[ms] do
   if i == select then
    center("[ "..os[ms][i].." ]",3*i)
   else
    center(os[ms][i],3*i)
   end
  end
end

--Main--

draw()
repeat
  local event , key = os.pullEvent(key)
  if key == 28 then
   running = false
  end
  sleep(0.1)
until running == false